Narphosit Thai Silk Decorative Cushion Cover Red and White Dot 18&rdquo;x18&rdquo; Sofa cushion covers decorative 18x18 made from Silk Blend and Polyester Measurement. Hidden zipper allows easy insertion or removal of a cushion.Design, cut and sewing by hand. Cushion covers for sofa replacement only throw pillow insert is not included.m The pattern is only on the front side, with an invisible zipper Throw pillow cover is handmade and has a vivid and colorful can use for sofa.